Catan: Cities & Knights on Boardgamegeek

Boardgamegeek https://boardgamegeek.com/boardgameexpansion/926/catan-cities-knights

English - Adds several new aspects to Settlers of Catan but the two major ones are creating knights to protect the land from invading barbarians and building city improvements that confer benefits upon that city's owner. Adds tactical complexity to the game and game length.

Les Colons de Catane: Villes et Chevaliers sur Ludovox

Ludovox http://ludovox.fr/jeu-de-societe/les-colons-de-catane-villes-et-chevaliers-408/

French - Un jeu de Klaus Teuber.