Any Grey Funnel line experts can help to identify the location, & the main, central vessel here please?

1963, Alexandria, Egypt.

** Now partly identified as one of two Russian (Black Sea Fleet) built Project 30Bis destroyers sold to Egypt.**

Other similar destroyers had previously been sold to Egypt as part of their El Nasser Class, and I think, destroyed.

In 1962 Egypt received: 
1) Damiet 844, ex  Besposhchadny (Беспощадный) 
&
2) El Nasser 666, ex Otchayanniy (Отчаянный)
I believe it is one of these two.

See here for details: https://www.navypedia.org/ships/egypt/eg_dd_el_nasser.htm
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Circa 1963-1965, at an unknown location. Possibly at Alexandria, Egypt, Naval harbour, prior to a reinforced breakwater/mole being built.

A busy naval harbour scene in an area protected by a large, wide, breakwater.

The larger warship in the centre of the image has an unusual squared off stern.
It is flying an ensign at the stern, the predominant colours *seem* to be read and green OR red, white and blue - depending on how you look at it, although this could be a err, red herring...

Towards the stern, a workboat , or perhaps a bunkering tanker, lies alongside, close by.

A smaller, single funnelled warship is at anchor beyond the large ship.

A floating drydock is also anchored in the harbour, beyond the large ship.

Scanned from a poor quality slide in the collection of the late Niels Anker Larsen, former Danish Merchant Navy Radio Officer.