Église Saint-Laurent de Fleurance
Church located in Gers, in France.
Each edition grades its towns against each other only.

There is no place to visit in Castelnau-d'Arbieu; there are 4 within 5 km of its centre. On the list: 2 museums, a church and a château, among others. Out of town, Montégut is 26 km away.
Then come 2 museums and a château, behind Église Saint-Laurent de Fleurance.
Best known first: by how many Wikipedia and sister-site articles cover each place (Wikidata’s count). It isn’t a ranking of how good they are.
Musée des Anciens Combattants pour la Liberté, 4.8 km away, is the farthest on the map.
The first 20 on the list, numbered as below. The shape is the commune of Castelnau-d'Arbieu; the orange dot is its centre. © OpenStreetMap contributors · commune boundary: IGN
Count 2 châteaux or heritage sites and 2 museums or galleries.
Dark: in Castelnau-d'Arbieu. Light: in the communes within 5 km of its centre.
Each of the 4 is within 5 km of its centre.
Nothing is mapped in Castelnau-d'Arbieu itself; these are within 5 km of its centre.
The history of Castelnau-d'Arbieu → · Parks and trails in Castelnau-d'Arbieu →
The 12 days out are led by Montégut, 26 km away.
AttractionCathédrale Sainte-Marie d'Auch28 km south, in AuchAttractionAttractionCentrale nucléaire de Golfech28 km northeast, in Golfech
MuseumCathédrale Saint-Caprais d'Agen36 km north, in AgenAttractionAttractionCathédrale Saint-Pierre de Condom27 km west, in CondomChâteauChâteauChâteau de Terraube11 km west, in TerraubeChâteauChâteauChâteau de Sainte-Mère14 km north, in Sainte-MèreMuseumMuseumMusée des Amériques - Auch28 km south, in AuchChâteauChâteauChâteau de Bouvées22 km southeast, in LabriheChâteauChâteauChâteau de Mérens19 km southwest, in MérensChâteauChâteauChâteau de Herrebouc30 km southwest, in Saint-Jean-PoutgePlaces within 40 km of Castelnau-d'Arbieu with an article in both French and English Wikipedia, nearest first.
Nothing is mapped in Castelnau-d'Arbieu itself, but within 5 km there are Église Saint-Laurent de Fleurance, Château de Landiran, Maison de l'Ail and Musée des Anciens Combattants pour la Liberté.
2 museums and galleries in town or within 5 km, including Maison de l'Ail and Musée des Anciens Combattants pour la Liberté.
The nearest with articles in both French and English Wikipedia: Montégut (26 km), Cathédrale Saint-Gervais-Saint-Protais de Lectoure (7.7 km), Cathédrale Sainte-Marie d'Auch (28 km), Centrale nucléaire de Golfech (28 km).
From OpenStreetMap and Wikidata: named museums, galleries, châteaux, abbeys, gardens, zoos, theme parks and other visitor attractions whose mapped point lies inside the commune of Castelnau-d'Arbieu, then those in the communes within 5 km of its centre, and well-known places within 40 km. Houses, ruins and gardens need a sign they’re open to visitors; places marked private, closed or disused are left out. The historic-monument link is the Culture ministry’s Mérimée record. A place that isn’t mapped isn’t listed, so this isn’t everything there is to see.
Sources: OpenStreetMap (© OpenStreetMap contributors, ODbL), Wikidata (CC0: descriptions, websites, Wikipedia articles), the Culture ministry’s Mérimée database (Licence Ouverte 2.0), IGN commune boundaries. Distances are from the commune’s centre point.
Photos from Wikimedia Commons, each under its own licence (our copy, resized).
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.