 San Nicolás limits to the north with the Navarrería borough, to the south with "Paseo Sarasate" (Sarasate Boulevard), on the east bounds on "Plaza del Castillo" (Castle Square) and to the west with the "Parque de la Taconera" (Taconera Park).San Nicolás was founded in the 12th century by a group of weavers and turners.The new borough was initially called "Tencerías" (from the old Romance word "Tencero", Weaver).