You would not be able to book a hotel room beforehand, especially if it’s a budget one. There are nearly none of them in the international booking systems. So, the only way out is to do it on arrival.
Are you planning
Select time and place and
find other travellers who will be there
You are travelling and looking for new friends?
Choose a language and see
who is travelling nearby
Have you got the tickets?
Check in your trip (date and destination)
so other travellers can message you