* Funding to be used in mixed-use projects in Casablanca, Tangier and Rabat * Project construction to start this year, completed in 4-5 years * Tourist numbers seen rising 8 percent this year, from 10 mln in 2013 By Matt Smith DUBAI, May 6 (Reuters) - Morocco and four Gulf states will provide 40 percent of the financing for 2 billion euros ($2.78 billion) of tourism projects in Casablanca, Tangier and Rabat, the **rth African country's tourism minister told Reuters on Tuesday. The government an**unced plans to redevelop Casablanca's port area last month, valuing the investment from the Gulf countries - Kuwait, Saudi Arabia, Qatar and the United Arab Emirates - at 6 billion dirhams ($741.14 million), although it **w appears the Gulf states' contribution could be lower. These countries will also collaborate with Morocco on mixed use projects in Rabat and Tangier that will include residential housing, Minister of tourism Lahcen Haddad told Reuters on the sidelines of an industry exhibition in Dubai.