The –TerceraDivisió2012–13 Tercera División was the fourth tier of football in Spain. Play started on 24 August 2012 and the season ended on 30 June 2013 with the promotion play-off finals.
Overview
There were 359 clubs competing in Tercera División (Third division) in the 2012–13 season, divided into 18 regional groups, accommodating between 18 and 21 clubs.
The following clubs finished as champions of their respective groups
Grupo I (Galicia) - Racing de Ferrol
Grupo II (Asturias) - Tuilla
Grupo III (Cantabria) - Tropezón
Grupo IV (País Vasco) - Laudio
Grupo V (Cataluña) - Olot
Grupo VI (Comunidad Valenciana) - Elche Ilicitano
Grupo VII (Comunidad de Madrid) - Puerta Bonita
Grupo VIII (Castilla & León) - Burgos
Grupo IX (Andalucía Oriental (Almería, Granada, Jaén & Málaga) & Melilla) - El Palo Grupo X (Andalucía Occidental (Cádiz, Córdoba, Huelva & Sevilla) & Ceuta) - Algeciras Grupo XI (Islas Baleares) - Santa Eulàlia Grupo XII (Canarias) - Las Palmas Atlético Grupo XIII (Región de Murcia) - La Hoya Lorca Grupo XIV (Extremadura) - Extremadura Grupo XV (Navarra) - San Juan Grupo XVI (La Rioja) - Haro Grupo XVII (Aragón) - Sariñena Grupo XVIII (Castilla-La Mancha) - Toledo
The 18 group champion clubs participated in the Group winners promotion play-off and the losers from these 9 play-off ties then proceeded to the Non-champions promotion play-off with clubs finishing second third and fourth.