The conditional of hay (there is/there are) is habría (there would be), eg en mi ciudad ideal habría una piscina (in my ideal town, there would be a swimming pool).

‘If’ usually introduces conditional clauses. The same applies to other conditionals such as unless, should and in case which, however, perform other functions in different contexts. As conditionals, ...

The conditional tense is used to talk about what would happen in the future: ...