Yes, you are able to be married on August 15th.
You get baptised and get married in the Greek Orthodox Church
No, the Greek Orthodox church is a part of the Eastern Orthodox Churches.
Depends what kind of orthodox you mean. Orthodox Jews wouldn't really be getting married in a church. Greek orthodox probably have a Greek Orthodox church. Perhaps a Justice of the Peace is the least controversial route -- this type of service is strictly for legal purposes and leaves out the religion. Muslim man must marry a Christian woman in a church if she wants that.
Since you are confirmed Orthodox and married a Greek Orthodox, the Orthodox Church requires that any children you may have should be baptized Orthodox. Also, as an Orthodox, you are not allowed to baptize your nephew or any other person in a catholic church. From the Catholic point of view, unless your nephew is to be reared a Catholic, he may not be baptized in the Catholic Church. If he is to be reared Catholic, either by his parents or godparents, the Church will receive him. No you are GREEK orthodox u must not I reapeat not baptisma your child at a catholic church.
Greek Orthodox Church of the Annunciation was created in 1769.
Eastern Orthodox Church (or the Christian Orthodox Church).
I'm not sure about the Greek Orthodox's Church perspective, but the divorced Roman Catholic woman is still technically in the sacrament of marriage with the man, until it is nullified by the Catholic Church.
The Romanian Orthodox Church mainly follows the liturgical practice of the Greek Orthodox Church, rather than the Russian Orthodox Church, such as the use of the new calendar.
No.
Greek Orthodox Church of the Holy Trinity was created in 1953.
Profitis Ilias Greek Orthodox Church was created in 2008.
The present archbishop of the Greek Orthodox Church in America is Archbishop Demetrios.