Mandaluyong is a city in the Philippines located directly east of Manila. It is one of the sixteen cities which, along with the Municipality of Pateros, make up Metro Manila, the National Capital Region. It is known for the Ortigas Center, a commercial and business center that is also shared with Pasig. Notable institutions and establishments in the city include the Asian Development Bank, the headquarters of Banco De Oro and San Miguel Corporation and shopping malls like Shangri-La Plaza and SM Megamall.
The city is bordered by Manila to the west, San Juan to the north, Quezon City to the northeast, Pasig to the east, and Makati to the south. It is also the 6th-smallest city in the Philippines with a land area of 11.06 km2 (4.27 sq mi).