Batumi, a Black Sea resort and port city, is the capital of the Georgian republic of Adjara. Batumi Boulevard is a waterfront promenade with a park and beach. The 130m-high Alphabetic Tower, adorned with Georgian script, has a seaside observation deck. The old town district is lined with renovated 19th-century buildings. North of the city, the vast Batumi Botanical Garden showcases flora from around the world.