4-6 weeks with children i Croatia

http://www.croatia-beaches.com/sandy/best_sand_beach_croatia.htm

take one week in istra, one week in zadar region, split region and dubrovnik

Nin definitely, and it matches your criteria.
Where to stay?
You have at least two aparthotels with more luxurious apartrments, and
also holiday village Zaton.
Read more here, down you have some contacts
http://www.croatia-beaches.com/best/ninska_laguna_beach.htm
Mike65

Hello,

One of my friend have got a nice 2 bedrooms apartment in Nin, 20 meters from a quiet sandy beach, 1km from Nin old town. Apart from Nin itself which has a rich History, from there you can do many "one day trips" to visit Zadar and numerous national parks such as Paklenica, Plitvice, Krka, Kornati archipelago, the Krka river, the Velebit nature park and its rivers such as Zrmanja, Krupa, islands like Pag, Ugljan, Pasman, and a lot more.

I thought it might be interesting for you.

If you want to get more informations, you can send me your email in a private message.

I would recomend Island Brac even though its a little further south . We stayed in Sumartin and had a great place with great views for 50 euros, there number is (021) 622 097

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