Pasig is a city in the Philippines which was the former provincial capital of the province of Rizal prior to the formation of Metro Manila, the National Capital Region of the country of which it became a part. Located along the eastern border of Metro Manila, Pasig is bordered on the west by Quezon City and Mandaluyong; to the north by Marikina; to the south by Makati, Pateros, and Taguig; and to the east by Antipolo, the municipality of Cainta and Taytay in the province of Rizal.