Wikidata:Synia:country-index

Synia: Countries

SELECT
  ?country ?countryLabel
  (CONCAT("#country/", SUBSTR(STR(?country), 32)) AS ?countryUrl)
  ?countryDescription
WHERE {
  ?country wdt:P31 wd:Q6256 .
  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}
ORDER BY ?countryLabel

Try it!