Gonio

By Mariam Lomidze, GTour desk · Fact-checked against the sources listed · Last checked 16 October 2026 · Editorial policy

Overview

Gonio is a small coastal settlement in Ajara, on Georgia’s Black Sea shore, about 15 kilometres south of Batumi and a short drive from the Sarpi border crossing with Turkey. With a population of roughly 2,886, it is less a resort town in its own right than a beach and archaeological stop that sits within the Batumi coastal strip, strung along the main road and the shingle beach between the hills of Ajara and the sea.

The settlement matters because it preserves one of the oldest fortified sites on Georgia’s Black Sea coast, Gonio Fortress, built on the remains of the Roman garrison town of Apsaros. Few places in the country let visitors stand inside walls that saw Roman legionaries, Byzantine garrisons, Genoese traders and Ottoman soldiers in direct succession, all within a short walk of a working beach resort. For travellers based in Batumi, Gonio is typically a half-day addition rather than an overnight base, combined with the wine region further inland or with beach time along the coast.

History

The site of Gonio is identified with ancient Apsaros (also transliterated Apsarus), a name recorded by Greek and Roman geographers writing about the eastern Black Sea coast in the early centuries AD, including references preserved in Arrian’s second-century Periplus of the Euxine Sea. Archaeologists place the origins of a fortified settlement here at least as early as the 1st century AD, when a Roman military camp (castra) was established to guard the coastal route and the mouth of the Chorokhi river valley.

The fortress walls still visible today, forming a rectangle of roughly 900 metres in perimeter with corner and gate towers, were rebuilt and reinforced over several centuries as the garrison passed from Roman to Byzantine control. Local tradition holds that Matthias, the apostle chosen to replace Judas Iscariot, is buried within the fortress grounds, a belief that has made Gonio a point of pilgrimage as well as archaeological interest. In the medieval period the site continued in use through Byzantine and, later, Genoese trading contact along the coast, before the Ottoman Empire took control of Ajara in the 16th century and held the fortress and surrounding coastline for roughly three hundred years.

Ottoman rule over the Gonio-Apsaros fortress ended with the incorporation of Ajara into the Russian Empire following the Russo-Turkish War, formalised by the Treaty of Berlin in 1878. Systematic archaeological excavation began in the Soviet period, continued intermittently through the 20th century, and has resumed with renewed international cooperation in recent decades, uncovering Roman bathhouses, barracks, a basilica and sections of the original street grid inside the walls. The site today is managed as the Gonio-Apsaros Archaeological-Architectural Museum-Reserve, and its monuments fall under the protection of Georgia’s heritage authorities.

What to see

Gonio Fortress (Gonio-Apsaros)

The fortress is the main reason to stop in Gonio: a near-complete rectangular Roman perimeter wall with 22 towers, enclosing excavated Roman bathhouses, barrack foundations and a small on-site museum of finds. Visitors can walk the full circuit of the walls and look down into ongoing excavation trenches. The traditional grave site of the Apostle Matthias is marked within the enclosure.

Gonio-Apsaros Museum-Reserve exhibition

A small exhibition hall within the fortress grounds displays coins, ceramics, glassware and inscriptions recovered during decades of excavation, giving context to the Roman, Byzantine and Ottoman layers of occupation. Labels and guided explanations help make sense of the standing ruins outside.

Gonio beach

The shingle beach fronting the settlement is quieter and less developed than central Batumi’s seafront, making it a reasonable stop for swimming or a walk along the coast road between visits to the fortress and lunch. Mountains rise close behind the narrow coastal strip, a characteristic of this part of Ajara.

Mtirala National Park (day trip)

Inland from Gonio and Batumi, the forested slopes of Mtirala National Park offer waterfalls, canopy walkways and marked hiking trails through Colchic temperate rainforest, one of the wettest areas in Georgia. The park is managed by the Agency of Protected Areas and makes a natural combination with a coastal morning in Gonio.

Getting there

From Tbilisi, Gonio is roughly 6 hours 20 minutes by car along the main east-west highway toward Batumi and then south along the coast road; marshrutkas (shared minibuses) run from Tbilisi’s Didube station to Batumi, from where a local marshrutka or taxi covers the final stretch to Gonio in about 25 minutes. Georgian Railway also operates daily overnight and day trains between Tbilisi and Batumi, a comfortable alternative to the road for the long leg of the journey, with onward transfer to Gonio by taxi or local bus.

From Kutaisi, the drive to Gonio takes about 2 hours 55 minutes via the Kutaisi–Batumi road, with marshrutkas connecting Kutaisi to Batumi and a short onward hop to Gonio. From Batumi itself, Gonio is the closest stop on this list, about 25 minutes by car or local bus along the coastal road toward the Sarpi border crossing, and is easily combined with a half-day itinerary. Current road conditions for all these routes can be checked via the road status page, and GTour’s private tours can arrange a direct transfer with stops along the way.

When to go

Late May through September is the main season for combining the fortress visit with swimming, with July and August the warmest and busiest months on the coast. Spring and early autumn bring milder temperatures, smaller crowds at the fortress and better conditions for walking the full circuit of the walls without midday heat. Winters are mild but wet, in keeping with the humid subtropical climate of the Ajara coast, and some seasonal facilities around the beach close outside the summer months.

Where to stay and eat

Gonio itself has limited formal accommodation, and most visitors base themselves in nearby Batumi, a short drive north, where GTour’s verified register includes a wide range of hotels. Options include Rainbow Batumi, Sunset Batumi, Sunrise Batumi, Wyn Residence, Garden Ville Batumi, White Sails Residential Hotel, The Grandeur Hotel and Grand Bellagio Batumi. GTour’s verified register lists more Batumi-area hotels, wineries and restaurants for travellers extending their stay along the coast; see the Batumi region hub for the full list and the best-of guides for curated picks.

For eating near Gonio, small family-run restaurants along the coast road toward Sarpi serve fresh Black Sea fish and Ajarian specialties such as khachapuri, best paired with a walk along the beach after the fortress visit.

Practical notes

Comfortable shoes are useful for walking the fortress walls and uneven ground inside the excavation area. The fortress and museum keep seasonal opening hours, with longer hours in summer; checking ahead through a local guide or the museum-reserve directly is advisable outside peak season. Gonio sits close to the Sarpi border crossing with Turkey, so travellers continuing overland into Turkey can combine a fortress visit with the border crossing on the same day. Mobile coverage and ATMs are available in the village centre, and parking is available near the fortress entrance.

Questions travellers ask

Is Gonio Fortress open to the public all year?

Yes, the fortress and its small museum operate year-round, though opening hours are typically longer in the summer season and shorter in winter. It is advisable to check current hours locally or through a guide before visiting outside the main season.

How long does a visit to Gonio Fortress take?

A typical visit, including the museum exhibition and a walk around the full perimeter of the walls, takes between one and two hours. Most travellers combine it with beach time or a meal in Gonio or nearby Batumi.

Is Gonio worth visiting if I only have one day in Batumi?

It can be added as a half-day excursion from Batumi, since the drive is only about 25 minutes each way. Travellers with a single day in the region often combine Gonio Fortress with a short walk on the beach or a stop at the Sarpi border viewpoint.

What is the connection between Gonio and the Apostle Matthias?

Local tradition identifies a site within the fortress walls as the burial place of Matthias, the apostle chosen by lot to replace Judas Iscariot. The tradition is not archaeologically confirmed but is widely referenced in local and pilgrimage accounts of the site.

Can Gonio be visited together with Mtirala National Park?

Yes, Mtirala National Park lies inland from the coast and is a manageable addition to a day that includes Gonio, combining Roman history with forest trails and waterfalls managed by the Agency of Protected Areas.

Is there a beach in Gonio suitable for swimming?

Gonio has a shingle beach along the coast road, generally quieter than central Batumi’s seafront. It is suitable for swimming in the summer months, with calmer conditions typical of this stretch of coastline.

How do I get from Gonio to the Turkish border?

The Sarpi border crossing is a short drive south of Gonio along the coast road, making it straightforward to continue into Turkey after a fortress visit. Taxis and local marshrutkas cover this stretch regularly.

Are there hotels directly in Gonio, or should I stay in Batumi?

Formal hotel options directly in Gonio are limited compared with Batumi, which is only about 25 minutes away and offers a much wider range of verified accommodation. Most travellers base themselves in Batumi and visit Gonio as a day or half-day trip.

Does GTour arrange private tours to Gonio?

Yes, GTour includes Gonio in private itineraries on request, typically combined with Batumi, the Ajara coastline or inland destinations such as Mtirala National Park; details are available through the tours page and regional guides.

Sources

• Agency of Protected Areas
• UNESCO Tentative List – Gonio Fortress (Apsaros)
• Georgian National Tourism Administration — Ajara region