Hello. I'm Gerrit, and I like to travel to remote places. Those usually don't have an article on Wikivoyage. Thank you all for this great resource. --Gerrit (talk) 15:58, 17 May 2020 (UTC)
This website uses the Wikivoyage API to get and display all the information you see. This is the MediaWiki API, which is a general API for accessing data from Wikimedia projects. You can find information about it here: MediaWiki API.