Submit A Spanish Version Of A Website How to submit the spanish version of my website

Hi to everyone, I'm developing a spanish translated version of my website an di want some explanations to be given to me regarding these: Questions : - The optimization i am willing to do , is it gonna be noticed by major spanish search engines like Google spain and mexico ? or i have to do a specific submission for these search engines ?i friend suggested me to put the spanish version on a subdomain , but i'm afraid that it will be noticed as a duplicated content by the duplicated content filter. - Where can i find a list of major search engine/ directories of countries speaking spanish ? (Mexico, Guatemala, Salvador, Costa Rica, Panama, Colombia, Ecuador, Peru, Bolivia, Chile, Argentina, Uruguay , Paraguay, Venezuela, Nicaragua, Honduras, Belize, Cuba, Dominica republic, puerto rico)Thanks in advance