Questions & Answers about Όταν πηγαίνω σε άλλη χώρα, νιώθω ξένος στην αρχή.
Όταν means when in the sense of whenever / every time that and introduces a time clause.
Αν means if and introduces a condition.
- Όταν πηγαίνω σε άλλη χώρα, νιώθω ξένος στην αρχή.
= When(ever) I go to another country, I feel like a stranger at first.
If you used αν, it would sound like if I go to another country, which suggests a possibility, not a regular, repeated situation.
Greek normally uses the present tense in Όταν-clauses to express general or repeated situations, even if in English we sometimes think of them as future.
- Όταν πηγαίνω σε άλλη χώρα = Whenever I go to another country (a general habit).
Using θα πάω would point to one specific future occasion instead: - Όταν θα πάω σε άλλη χώρα… is possible but sounds more like talking about a particular future trip and is less common in everyday speech than simply Όταν πάω… or Όταν πηγαίνω….