Suntrust Ecotown Tanza Tanza Cavite Suntrust Ecotown Tanza, initially a 160-hectare property in Tanza, Cavite. The project will be an environment friendly Ecozone Township integrating residential, commercial, institutional development within or adjoining the light- medium industrial zone. The entire township project is intended to cover a total land area of around 350 hectares. The industrial zone which will initially cover 111 hectares is duly-registered with the Philippine Economic Zone Authority pursuant to Presidential Proclamation No. 226.