Mesembria

Start with the ground under your feet. The cobblestones here are uneven and smooth, polished by centuries of sandals, cart wheels and summer crowds. The air carries salt and a little woodsmoke from the kitchens. Somewhere a gull calls, and beyond the rooftops you can hear the Black Sea moving against the rocks. You are standing on a small peninsula that people have lived on for thousands of years. Mesembria is its old Greek name. Today it is the old town of Nessebar, a short ride south of the hotels of Sunny Beach.

Look back the way you came. The peninsula is joined to the mainland by a narrow strip of land, a thin causeway with water on both sides. This shape mattered. A rocky outcrop with only one easy approach was simple to defend. It also offered sheltered water for boats. For anyone sailing along this coast in the ancient world, a place like this was very valuable.

The first people here were Thracians, the ancient people of this region, before the Greeks arrived. Their settlement had a name that the Greeks later adapted. Then, around the end of the sixth century BCE, Greek colonists arrived. Ancient writers connect them with Megara, a city near Athens. The colonists built temples, a harbour and walls. Over time, Mesembria became a trading town, sending goods and people across the Black Sea world.

Here is something many visitors miss. Part of the ancient town is now underwater. The coastline has changed over the centuries, and the sea has covered some of the old streets and buildings. So the peninsula you walk across today is smaller than the one the Greeks knew. When you look at the water near the shore, remember that some of the old city still lies under it.

Now walk toward the fortress walls near the entrance. The stones are big, cut in blocks and fitted closely. These walls belong to the later history of the town, after the Roman and early Byzantine periods. Byzantium was the eastern Roman Empire, ruled from Constantinople, the city we now call Istanbul. For centuries, Mesembria changed hands between Byzantine emperors and Bulgarian rulers. Each wanted this harbour and its protected position on the coast.

That long contest left behind the thing that makes this town special: its churches. For such a small place, the number is surprising. Some are complete. Some are only walls and arches open to the sky. Many date from the medieval centuries, and together they form one of the reasons UNESCO listed the old town as a World Heritage Site in 1983. You can cross the peninsula in a few minutes, but you could spend a full day among its churches.

Look closely at the walls of the medieval churches. You will see bands of pale stone alternating with rows of red brick. Around the windows and arches, the builders added decoration: brick patterns, small arches, and ceramic pieces set into the facades. Some churches carry round glazed discs, green or ochre, that catch the light. This was not plain building. It was a way to make a wall look rich and alive without carving a single statue.

One of the largest ruins is the Old Metropolis, also known as the Church of Saint Sophia. Its roof is gone, so you look up at the sky through tall walls and empty arches. It was once the main church of the town's bishop. Today the open interior often hosts summer events, and people sit on the stone in the evening. Stand inside for a moment and notice how quiet the space becomes, even with crowds nearby.

Not far away is the New Metropolis, the Church of Saint Stephen. Inside, the walls are covered with paintings: saints, scenes from the Bible, and rows of figures in deep reds, blues and golds. These frescoes were painted in different periods, and the layers show how the church was used and cared for over a long time. A separate ticket is usually needed for the interiors. Give your eyes a minute to adjust to the dim light.

Now a story. Near the sea stands the ruined church of Saint John Aliturgetos. The name means roughly the unconsecrated one, a church where the liturgy was never held. Why? Legend has it that something went wrong during construction, and the church was never blessed. Locals tell different versions of the tale. What is certain is that the building is one of the most decorated in town, with fine brick and stone patterns facing the water. At sunset, the stones turn warm and golden.

Between the churches are the houses. Many traditional homes here date from the nineteenth century. They have a ground floor of stone and an upper floor of dark wood that leans out over the street. This design gave more living space above a narrow lane, and the stone base kept out the damp. Today many of these houses hold shops, cafes and small guesthouses. Look up as you walk, and you will see wooden beams, balconies and climbing vines.

After the Ottoman conquest in the fifteenth century, the town became smaller and quieter. It lived from fishing, wine and trade along the coast. The churches survived, some in use, some slowly falling into ruin. In the twentieth century, archaeologists and restorers began serious work here, and the old town grew into a destination. The small archaeological museum near the entrance keeps finds from the Greek, Roman and medieval periods, including coins, pottery and stone carvings.

Before you leave, walk to the edge of the peninsula and face the water. Behind you are Thracian ground, Greek streets under the waves, Byzantine walls and wooden houses. In front of you is the same sea that brought every one of those people here. Listen to the waves on the rocks for a moment. Then, as you walk back across the narrow causeway, look over your shoulder. The church towers and red roofs sit low against the sky, just as sailors saw them when they came home.