Cuatro Torres Business Area (CTBA), Spanish for "Four Towers Business Area", is a business district located in the Paseo de la Castellana in Madrid(Spain).
Cuatro Torres Business Area (CTBA), Spanish for "Four Towers Business Area", is a business district located in the Paseo de la Castellana in Madrid(Spain). The area contains the tallest skyscrapers in Madrid and Spain (Torre Espacio, Torre de Cristal, Torre PwC and Torre Caja Madrid). The construction of the buildings finished in 2009.