Where can i find the location that shows all available playstation and switch games?

You can search console games in Helmet catalogue https://www.helmet.fi/en-US. Use Advanced search and as keyword * and select as format console game. In the result list selection At the library shows You games which are at the moment available in some Helmet-library. By logging in with Your library card number and pin code You can make reservations to get games into Your nearest library.