Geographical Crossword

[mjulian]

Am stuck on 5 - can anyone help me please?!
19a - It might shed light on cruise passenger, or to help out [8]: -O-T---- [thought this might be port----]
25a - Part of Ireland provides boat shuffle service with a fresh start [5]:
----Y
2d - Bulgaria's longest river is 3/7th Kurdish [5]: I-K-R
20d - British archipelago alternative to N Skye, possibly [7]: ----E-S
21d - Extensive land mass area is damaged - university enters [7]: ----S-A

An explanation with any answers would be very much appreciated - I like to know how the answer has been reached - but simply cannot fathom out any of the above. Many thanks in advance.

[ladyalex]

19a Porthole anagram 'or to help'

[mazie]

25a Ferry

[mazie]

2d Iskar

[ladyalex]

21d Eurasia anagram area is + u(niversity)

[mazie]

21d Eurasia

[mazie]

Afternoon Alex. Hope all is well ? (sorry julian)

[mjulian]

Wow - that was quick - many thanks one and all.
Only 1 left to do now - 20d - British archipelago alternative to N Skye, possibly [7]: have now got 0-F-E-S
Can anyone solve it?!

[ladyalex]

Hi Mazie...doing away, thanks.
All OK with you ?
(apologies, mjulian)

[ladyalex]

Orkneys
anagram 'or (alternative) N Skye'

[mazie]

Good thanks Alex xxx

[mazie]

Sorry 25a is Kerry Not Ferry (I got it the wrong way round)

[ladyalex]

But Orcadians would be furious...their islands are called Orkney or The Orkney Islands or The Orkney Isles, but never , ever Orkneys or The Orkneys.
Similarly, Shetland or The Shetland Islands/Isles, but never, Shetlands

[gillyanna]

19A porthole

[ladyalex]

That's good to hear, Mazie. xx