The child adopted by citizens of the Republic of Armenia acquires citizenship of the Republic of Armenia.

If one of the adopting spouses is a stateless person, while the other is a citizen of the Republic of Armenia the child acquires the citizenship of the Republic of Armenia.

If one of the adopting spouses is a foreign citizen, while the other is a citizen of the Republic of Armenia the child acquires citizenship of the Republic of Armenia, provided:

1) the consent of the spouses exists;

2) the child resides in the territory of the Republic of Armenia and consent of the parent who holds citizenship of the Republic of Armenia exists;

3) the child is a person without citizenship or may become a stateless person.

The child who holds citizenship of the Republic of Armenia and is adopted by foreign citizens or married couple. Where one of the spouses is a foreign citizen and the other is a citizen of the Republic of Armenia, retains its citizenship of the Republic of Armenia. In such a case child can relinquish its citizenship of the Republic of Armenia only tough an application by his/her adopting parents.

The child who holds the citizenship of the Republic of Armenia and is adopted by Stateless persons or a married couple. Where one of the spouses is without citizenship and the other is a citizen of the Republic of Armenia, retains citizenship of the Republic of Armenia.

Source: Iravaban.net