Formal:
* صباح الخير (Sabah al-khayr): Good morning (used until noon)
* مساء الخير (Masaa al-khayr): Good evening (used after noon)
* سلام عليكم (Salaam alaykum): Peace be upon you (used in any situation)
Informal:
* مرحبا (Marhabaan): Hello (used with friends and family)
* شلونك (Shloonak): How are you? (used with friends and family)
You can also use the Arabic word أهلاً (Ahlan): which means "welcome."
It's important to note that:
* The most common greeting is "سلام عليكم (Salaam alaykum). It's respectful and appropriate in most situations.
* You can respond to "سلام عليكم" with "وعليكم السلام (Wa alaykum al-salam)." This means "And peace be upon you."
* The greetings "صباح الخير" and "مساء الخير" are used in more formal settings.
It's always a good idea to learn a few basic Arabic phrases when traveling to a new country. It shows respect and can help you connect with the locals.