Antonia is a portrait featuring a woman with elongated features and a serene expression. The background is a soft, muted color that enhances the figure's presence. The use of warm tones gives the painting a comforting feel.

Modigliani's characteristic style is evident in the smooth lines and simplified forms. The subject's face is framed by dark hair, and her eyes are depicted with a dreamy quality. Modigliani often emphasized the neck and facial structure, which is apparent in this work. The painting's composition draws the viewer's attention to the subject's expression.

The overall effect is both captivating and introspective. Amedeo Modigliani created this work around 1910, during a period when he was developing his unique style. He was known for his portraits that often featured elongated forms and a focus on emotional expression. Modigliani's work was not widely recognized during his lifetime, but he gained fame posthumously.

Today, Antonia is housed in the Museo Nacional de Bellas Artes, showcasing his significant contribution to modern art.