Made up of about 7,100 islands, the Philippines is on the southeastern rim of Asia and is bordered by the Philippine Sea on the east, the South China Sea on the west, the Luzon Strait on the north, and the Celebes Sea on the south. Its land area, which is slightly larger than that of Arizona, measures 300,000 square kilometers (115,830 square miles), and its coastline is 36,289 kilometers (22,550 miles). The capital, Manila, is on the island of Luzon in the highly urbanized National Capital Region, which is made up of 12 other urban areas including the cities of Mandaluyong, Marikina, Pasig, Quezon, Kalookan, Valenzuela, Las Piñas, Makati, Muntinlupa, Parañaque, and Pasay. The main financial district is in Makati City.