Oost-Souburg is a town in the municipality of Flushing, Netherlands (Dutch: Vlissingen).
Oost-Souburg was a separate municipality until 1836, when it merged with West-Souburg to create the new municipality of Oost- en West-Souburg.
Passenger railway Vlissingen to Roosendaal (part of line 11), with stations (grouped by municipality, bolded), and official station abbreviations:
- ^ Ad van der Meer and Onno Boonstra, "Repertorium van Nederlandse gemeenten", KNAW, 2006. 
Coordinates: 51°27′56″N 3°36′15″E / 51.46556°N 3.60417°E