Sofia is the capital city of Bulgaria, located in the western part of the country. It is one of the oldest cities in Europe, with a history that dates back over 2,000 years. Sofia is known for its diverse architecture, which includes Roman ruins, Byzantine churches, and modern buildings. The city is surrounded by the Vitosha Mountain, offering opportunities for outdoor activities like hiking and skiing. As a cultural hub, Sofia hosts numerous museums, galleries, and theaters. The National Palace of Culture is a prominent venue for events and exhibitions. The city also features several parks and green spaces, making it a pleasant place for residents and visitors alike.