Kosava or Kossovo is at town in Brest Oblast, Belarus, known mostly for the fine castle-palace and the museum at the birthplace of Tadeusz Kosciuszko, both in the former manor of Mereczowszczyzna at the outskirts of the town.

See

The palace is no longer used, but is preserved rather well.

• 1 Kosciuszko Museum. W-Su 10:00-18:00. The house in which Tadeusz Kosciuszko was born stood on that spot, and was rebuilt in its original form to house the museum. Kosciuszko was an 18th-century revolutionary, a participant of the US War of Independence, and later the leader of the failed 1794 uprising in Poland and Lithuania. Mount Kosciuszko in Australia, Kosciusko Island in Alaska, and Kosciusko County in Indiana are named after him. 
• 2 Puslowski Palace (Kosava Castle). A 19th-century Gothic Revival palace decorated to look like a romantic castle. 
• 3 Holy Trinity Church. A handsome Gothic Revival church built in 1877. 
• 4 St. Anthony Church. A charming little Orthodox church built in mid-19th century.