Local station news program. I suspect that would cover the most broadly applicable things that you’ll need to deal with. Aside from local place names you’ll still be able to talk about national and international news, finance/taxes, medical situations, weather, sports and entertainment, food… You’d have decades worth of back catalog to access from. You’d probably be wanting for specifics on some super niche hobbies, but it’s hard to think of much that you’d be missing entirely from your available phrases.