「来週」 means next week, referring to the week immediately following the current one. Use it when discussing future plans or events that will occur in the upcoming week. It is great for planning ahead.

今(いま)の週(しゅう)の次(つぎ)の週(しゅう)を意味(いみ)します。来週(らいしゅう)の計画(けいかく)やイベントについて話(はな)すときに使(つか)います。