Get an account on ESA and try if the data of your area is offered.

https://earth.esa.int/web/guest/pi-community/apply-for-data/3rd-party?IFRAME_SRC=%2Fpi%2Fesa%3FdisplayMode%3Dcenter%26sideExpandedNavigationBoxId%3DCat1Access%26cmd%3Daodetail%26topSelectedNavigationNodeId%3DDATA_ACCESS%26targetIFramePage%3D%252Fweb%252Fguest%252Fpi-community%252Fapply-for-data%252F3rd-party%26ts%3D1529659128551%26colorTheme%3D03%26sideNavigationType%3DDATA_ACCESS%26aoid%3D1360

Thanks a lot Ahmed,

I signed up and applied for data, now waiting for their response. Ahmed - do you any practical experience with downloading ESA product?

Yes, I have been using their gravity data since 2012.

They reply in a couple of days.

Ok, so that theirs time response couple of days. Great, i will wait for...Thank you very much Ahmed

Try Japanase data AW3D : http://www.aw3d.jp/en/ or WordDEM(TM): http://www.intelligence-airbusds.com/elevation30/

Thanks Kazimierz, I sent for both of them request for quotation.