Der Aa-kerk
| Aa-kerk | |
|---|---|
| The Church of Our Lady and St. Nicholas | |
| The Aa-kerk from the East | |
| 53°12′59″N 6°33′44″E / 53.21639°N 6.56222°E | |
| Location | Groningen | 
| Country | Netherlands | 
| Denomination | None formerly Dutch Reformed | 
| Website | Der Aa-Kerk | 
| History | |
| Status | Redundant | 
| Founded | 1247 (as a parish church) | 
| Dedication | Our Lady, Saint Nicholas | 
| Architecture | |
| Architectural type | Church | 
| Style | Gothic | 
| Specifications | |
| Length | 76 m (249 ft 4 in) | 
| Width | 25 m (82 ft 0 in) | 
| Height | 76 m (249 ft 4 in) | 
| Floor area | 1,155 m2 (12,430 sq ft) | 
| Dome height (inner) | 26 m (85 ft) | 
| Materials | Brick | 
The Aa-kerk (also: A-kerk) is a historic former parish church in the centre of Groningen, and a dominant feature in the skyline of the city together with the nearby Martinitoren.