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@geoalgeria/mosquees

The mosques of Algeria — as data you can install.

20,759 geocoded mosques across all 69 wilayas of Algeria — every one with coordinates, most with Arabic and/or French names, and commune/wilaya linkage. A community-maintained composite of Wikidata and OpenStreetMap, framed honestly against the Ministère des Affaires Religieuses (MARW) national count of ~18,449. Shipped as JSON, CSV, GeoJSON, and TypeScript. Part of GeoAlgeria.

npm install @geoalgeria/mosquees

import mosquees from "@geoalgeria/mosquees";

const all = mosquees.mosquees();   // 20,759 geocoded mosques

// Mosques in a wilaya (joins GeoAlgeria's wilaya_code)
const inSetif = all.filter((m) => m.wilaya_code === "19");

// Only the named ones, with a French label
const named = all.filter((m) => m.name_fr);

What you can build

• Mosque maps & locators — coordinates on all 20,759 records, ready for a map or distance sorting.
• Bilingual directories — 15k+ Arabic names and 7k+ French names, side by side.
• Coverage analysis — count or rank mosque density per commune/wilaya across the whole country.

What's inside

| Dataset | Count | Coordinates | Notes | | --- | --- | --- | --- | | Mosques | 20,759 | ✅ all | 19,783 named, 69 wilayas |

By source

| Source | Count | Meaning | | --- | --- | --- | | wikidata | 13,200 | from Wikidata only | | wikidata+osm | 5,897 | in both, matched within ~150 m (OSM lends a French name / denomination / osm_id) | | osm | 1,662 | mapped in OpenStreetMap, not yet in Wikidata |

This is a composite, not an official registry. Wikidata gives near-complete national coverage (~19k geocoded mosques, close to the MARW figure of ~18,449); OpenStreetMap adds precise coordinates, French names, denomination, and mosques Wikidata lacks. Counts move as both projects are edited — each rebuild reflects the current state of the sources.

Formats

The npm package ships the JSON (importable directly):

import mosquees from "@geoalgeria/mosquees/data/mosquees.json" with { type: "json" };
// or via CDN, no install:
// https://cdn.jsdelivr.net/npm/@geoalgeria/mosquees/data/mosquees.json

The loaders and record shapes are fully typed — TypeScript definitions ship in the package:

import mosquees, { type Mosquee } from "@geoalgeria/mosquees";
const all: Mosquee[] = mosquees.mosquees();

CSV and GeoJSON are in the repo under data/ and bundled in every GitHub Release:

data/
  mosquees.json              # 20,759 mosques (array)
  metadata.json              # sources, counts, coverage, generated_at
  csv/mosquees.csv           # repo + Release bundle (not in npm tarball)
  geojson/mosquees.geojson   # Point features

Record shape

{
  "id": "16-0914",
  "source": "wikidata+osm",
  "wikidata": "Q28717404",
  "osm_id": "relation/15870867",
  "name": "مسجد عبد الحميد بن باديس",
  "name_ar": "مسجد عبد الحميد بن باديس",
  "name_fr": "Mosquée Ibn Badis",
  "denomination": "sunni",
  "wilaya_code": "16",
  "commune_code": 1607,
  "commune": "Casbah",
  "lat": 36.779365,
  "lng": 3.05949
}

id is a stable {wilaya_code}-{seq} key synthesized by GeoAlgeria. wikidata and osm_id link back to the upstream objects. name is the best available display name (French preferred, else Arabic) and is null for the unnamed OSM points. wilaya_code joins to GeoAlgeria's wilaya_code.

Commune/wilaya linkage is derived, not from the sources. Neither Wikidata nor OSM carries Algerian administrative codes. GeoAlgeria attaches wilaya_code, commune_code, and commune by a nearest-centroid join against the geoalgeria commune set. Wilaya assignment is effectively exact; commune is best-effort (centroid proximity, not polygon containment).

Need the administrative divisions too?

For wilayas, dairas, and communes, use the main geoalgeria package — it's how you turn a mosque's commune_code into a polygon or centroid. Use @geoalgeria/mosquees when you only need the mosques.

Source & method

Run npm run fetch to regenerate every output. It:

1. queries Wikidata (SPARQL) for every item that is an instance of a subclass of mosque (Q32815) located in Algeria (P17 = Q262) with a coordinate (P625) — the comprehensive base;
2. queries OpenStreetMap (Overpass) for amenity=place_of_worship + religion=muslim inside Algeria;
3. merges them — an OSM mosque within ~150 m of a Wikidata mosque is folded into that record (lending its French name, denomination, and osm_id); OSM mosques with no match become their own records;
4. attaches commune/wilaya by nearest commune centroid.

Raw source pulls are cached under research/mosquees/.

License & attribution

Package code is MIT. The data is a composite:

• Wikidata content is CC0 (public domain).
• OpenStreetMap content is © OpenStreetMap contributors, licensed under the ODbL 1.0. If you use or redistribute this dataset, you must attribute OpenStreetMap contributors and keep derived databases under a compatible license.

Verify against official sources for authoritative information. This dataset is provided for reference and to power GeoAlgeria.

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