Formal:
* خوش آمدید (Khosh āmadid) - This is the most common and formal way to say welcome. It literally translates to "May you be welcomed."
* به شما خوش آمدم (Be shoma khosh āmadam) - This translates to "I welcome you" and is more personal than "khosh āmadid."
Informal:
* خوش اومدید (Khosh oomdid) - This is a more casual and friendly way to say welcome.
* خوش آمدید (Khosh āmadid) - This is also a common and informal way to say welcome.
You can also use the phrase "به ایران خوش آمدید (Be Iran khosh āmadid)" which means "Welcome to Iran."
Here are some additional tips:
* When greeting someone in Farsi, it's customary to shake hands.
* If you are a woman, it's appropriate to shake hands with other women.
* It's considered polite to greet people with a smile.
No matter which phrase you choose, be sure to say it with a friendly and welcoming tone!