In 1977, Tertre was incorporated into Saint-Ghislain.
Nearby towns include Saint-Ghislain 2.3km (Baudour 2.3km, Villerot 2.6km, Hautrage 3.5km, Sirault 4.6km and Neufmaison 7.1km), Boussu 3.9km (Hornu 4.2km), Quaregnon 4.9km (Wasmuel 3.5km), Colfontaine 6.4km (Wasmes 5.5km, Pâturages 6.8km and Warquignies 7.5km), Dour 8.2km (Élouges 8.1km), Frameries 8.6km (La Bouverie 8.2km), Hensies 9.8km (Hainin 5.1km, Thulin 6.7km and Montrœul-sur-Haine 8.1km), Mons 9.9km (Ghlin 6.3km, Flénu 6.4km, Jemappes 6.4km, Cuesmes 8.4km, Nimy 9.8km and Maisières 10km), Jurbise 10.2km (Herchies 7.6km, Erbisœul 8.1km and Erbaut 9km), Belœil 10.7km (Stambruges 8.1km and Grandglise 9.3km), Bernissart 11.4km (Ville-Pommerœul 5.6km, Pommerœul 7.1km and Harchies 8.5km) and Chièvres 13.4km (Grosage 9.3km)
Images courtesy of Wikipedia