\begin{tikzpicture}

% draw axis
\draw[thick, ->] (-3cm, 0cm) -- (3cm, 0cm) node[anchor=south] (ascissa) {$\Re z$};
\draw[thick, ->] (0cm, -3cm) -- (0cm, 3cm) node[anchor=east] (ordinata) {$\Im z$};

% draw isolated point
\draw[fill] (-1.5cm, 1.1cm) circle (2pt) node[anchor=south west] (w) {$w$};

% draw closed loops
\draw[dotted, -latex] (-0.9cm, 1.1cm) arc (0:360:0.6cm);

% draw the names of the paths (use $\mathcal{C}$ instead of $\ccC$ if it does not compile)
\node (c0) at (-2.1cm, 0.3cm) {$\ccC_{(w)}$};

\end{tikzpicture}


% vim: ft=tex
