\chapter*{ÖNSÖZ}
\addcontentsline{toc}{chapter}{ÖNSÖZ}
\label{sec:onsoz}
\setcounter{page}{3}
\lipsum[1-2]

\begin{flushright}
\begin{tabular}{c}
\plainThesisAuthor{}\\
\plainThesisLocation{} \plainThesisYear{}
\end{tabular}
\end{flushright}