Egypt banned Hamas and branded it a terrorist organization. Even put up a steel wall to keep them out.
Jordan banned Hamas in 1999. In 2013, Jordan rejected requests to allow Hamas to return.
Hamas and Lebanon’s Hezbollah disagree and were fighting with each other in recent Syrian civil war (Sunni/Shiite conflict).
Syria says- Hamas is an uninvited guest
Saudi Arabia says they will arrest Hamas members on the spot