Chalkida is a coastal city located on the island of Evia in Greece. It serves as the capital of the Evia regional unit and is known for its rich history, dating back to ancient times. The city is famous for the Euripus Strait, which features unique tidal phenomena, attracting visitors and researchers alike. The city boasts a charming waterfront, lined with cafes and restaurants, offering stunning views of the sea. Chalkida is also home to several historical sites, including the Karababa Castle and ancient ruins, making it a popular destination for tourists interested in culture and history.