diff --git a/google.visualization/google.visualization.d.ts b/google.visualization/google.visualization.d.ts
index d9d53ab2b0..222faec1d1 100644
--- a/google.visualization/google.visualization.d.ts
+++ b/google.visualization/google.visualization.d.ts
@@ -722,6 +722,49 @@ declare module google {
             width?: number;
         }
 
+        //#endregion
+        //#region AnnotationChart
+
+		// https://developers.google.com/chart/interactive/docs/gallery/annotationchart
+		export class AnnotationChart extends CoreChartBase
+		{
+			draw(data: DataTable, options: AnnotationChartOptions): void;
+			draw(data: DataView, options: AnnotationChartOptions): void;
+			setVisibleChartRange(start: Date, end: Date): void;
+			getVisibleChartRange(): {start: Date; end: Date };
+			hideDataColumns(columnIndexes: number | number[]): void;
+			showDataColumns(columnIndexes: number | number[]): void;
+		}
+
+		// https://developers.google.com/chart/interactive/docs/gallery/annotationchart#Configuration_Options
+	    export interface AnnotationChartOptions
+		{
+			allowHtml?: boolean;
+			allValuesSuffix?: string;
+			annotationsWidth?: number;
+			colors?: string[];
+			dateFormat?: string;
+			displayAnnotations?: boolean;
+			displayAnnotationsFilter?: boolean;
+			displayDateBarSeparator?: boolean;
+			displayExactValues?: boolean;
+			displayLegendDots?: boolean;
+			displayLegendValues?: boolean;
+			displayRangeSelector?: boolean;
+			displayZoomButtons?: boolean;
+			fill?: number;
+			legendPosition?: string;
+			max?: number;
+			min?: number;
+			numberFormats?: any;
+			scaleColumns?: number[];
+			scaleFormat?: string;
+			scaleType?: string;
+			thickness?: number;
+			zoomEndTime?: Date;
+			zoomStartTime?: Date;
+		}
+
         //#endregion
         //#region SteppedAreaChart