Is it sunnah to migrate to muslim country, is it ok to move to madina, sa, as the prophet (saw), from the uk?.


Praise be to Allaah.

It is obligatory to migrate from the land of kufr to the
land of Islam, for those who are not able to practise their religion
openly. Allaah says (interpretation of the meaning): 

“Verily, as for those whom the angels take (in death)
while they are wronging themselves (as they stayed among the disbelievers
even though emigration was obligatory for them), they (angels) say (to
them): ‘In what (condition) were you?’ They reply: ‘We were weak and
oppressed on the earth.’ They (angels) say: ‘Was not the earth of Allaah
spacious enough for you to emigrate therein?’ Such men will find their abode
in Hell — what an evil destination!”

[al-Nisa’ 4:97] 

And the Prophet
(peace and blessings of Allaah be upon him) said: “I disavow every Muslim
who settles among the mushrikeen.” Narrated by Abu Dawood, 2645; classed as
saheeh by al-Albaani in Saheeh Abi Dawood

But if he is able to practise his religion openly, then he
does not have to migrate. See question no.
13363

If he thinks that staying
in his country is more beneficial because he will be able to call others to
Islam and guide people, and he is confident of his religious commitment,
then his staying there is better than his migrating. See question no.
47672

Hijrah (migration) does not necessarily have to be to
Madeenah, rather you can migrate to any Muslim land where you can establish
the symbols of Islam and safely practise Islam. 

For more information on migration to a Muslim land, please
see the answers to questions no. 3225
and 7191

And Allaah knows best.