Please find link to Turkey HSBC BANK,

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HSBC - Turkey
There are a lot of companys offering Turkish mortgages,do your home work first,The lenders will NOT take into consideration any proposed Rental Income from the property for mortgage purposes/repayments.
THINK CAREFULLY BEFORE SECURING OTHER DEBTS AGAINST YOUR HOME.YOUR HOME MAY BE REPOSSESSED IF YOU DO NOT KEEP UP REPAYMENTS ON A MORTGAGE.