Saint-Martin-au-Laërt (Saint-Martin-au-Laërt)
- former commune in Pas-de-Calais, France
- Country:
- Postal Code: 62500
- Coordinates: 50° 45' 19" N, 2° 14' 9" E
- GPS tracks (wikiloc): [Link]
- Area: 4.94 sq km
- Population: 3995
- Web site: http://www.ville-saintmartinaulaert.fr
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q244295
- Wikipedia Commons Category: [Link]
- Freebase ID: [/m/02z92kf]
- GeoNames ID: Alt: [2978447]
- BnF ID: [15269198f]
- INSEE municipality code: 62757
Shares border with regions:

Longuenesse
- commune in Pas-de-Calais, France
- Country:
- Postal Code: 62219
- Coordinates: 50° 44' 8" N, 2° 14' 14" E
- GPS tracks (wikiloc): [Link]
- Area: 8.4 sq km
- Population: 11139
- Web site: [Link]

Tatinghem
- former commune in Pas-de-Calais, France
- Country:
- Postal Code: 62500
- Coordinates: 50° 44' 38" N, 2° 12' 29" E
- GPS tracks (wikiloc): [Link]
- Area: 5.6 sq km
- Population: 1861
- Web site: [Link]


Salperwick
- commune in Pas-de-Calais, France
- Country:
- Postal Code: 62500
- Coordinates: 50° 46' 22" N, 2° 13' 55" E
- GPS tracks (wikiloc): [Link]
- Area: 4 sq km
- Population: 500
- Web site: [Link]