Harjumaa is a county in northern Estonia, surrounding the capital city, Tallinn. It is known for its diverse landscapes, which include forests, lakes, and coastal areas along the Gulf of Finland. Harjumaa is one of the most populated counties in Estonia, contributing significantly to the country's economy and culture. The county is home to several towns and municipalities, with Tallinn being the largest and most prominent. Harjumaa also features historical sites, such as Keila-Joa Castle and Paldiski, which attract visitors interested in Estonia's rich heritage. The region is well-connected by roads and public transport, making it accessible for both residents and tourists.